arch/arm/mach-omap1/board-ams-delta.c

   1 /*
   2  * linux/arch/arm/mach-omap1/board-ams-delta.c
   3  *
   4  * Modified from board-generic.c
   5  *
   6  * Board specific inits for the Amstrad E3 (codename Delta) videophone
   7  *
   8  * Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14 #include <linux/gpio.h>
  15 #include <linux/kernel.h>
  16 #include <linux/init.h>
  17 #include <linux/input.h>
  18 #include <linux/interrupt.h>
  19 #include <linux/leds.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/serial_8250.h>
  22
  23 #include <media/soc_camera.h>
  24
  25 #include <asm/serial.h>
  26 #include <mach/hardware.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <plat/io.h>
  32 #include <plat/board-ams-delta.h>
  33 #include <plat/keypad.h>
  34 #include <plat/mux.h>
  35 #include <plat/usb.h>
  36 #include <plat/board.h>
  37 #include <plat/common.h>
  38 #include <mach/camera.h>
  39
  40 #include <mach/ams-delta-fiq.h>
  41
  42 static u8 ams_delta_latch1_reg;
  43 static u16 ams_delta_latch2_reg;
  44
  45 static const unsigned int ams_delta_keymap[] = {
  46         KEY(0, 0, KEY_F1),              /* Advert    */
  47
  48         KEY(0, 3, KEY_COFFEE),          /* Games     */
  49         KEY(0, 2, KEY_QUESTION),        /* Directory */
  50         KEY(2, 3, KEY_CONNECT),         /* Internet  */
  51         KEY(1, 2, KEY_SHOP),            /* Services  */
  52         KEY(1, 1, KEY_PHONE),           /* VoiceMail */
  53
  54         KEY(0, 1, KEY_DELETE),          /* Delete    */
  55         KEY(2, 2, KEY_PLAY),            /* Play      */
  56         KEY(1, 0, KEY_PAGEUP),          /* Up        */
  57         KEY(1, 3, KEY_PAGEDOWN),        /* Down      */
  58         KEY(2, 0, KEY_EMAIL),           /* ReadEmail */
  59         KEY(2, 1, KEY_STOP),            /* Stop      */
  60
  61         /* Numeric keypad portion */
  62         KEY(0, 7, KEY_KP1),
  63         KEY(0, 6, KEY_KP2),
  64         KEY(0, 5, KEY_KP3),
  65         KEY(1, 7, KEY_KP4),
  66         KEY(1, 6, KEY_KP5),
  67         KEY(1, 5, KEY_KP6),
  68         KEY(2, 7, KEY_KP7),
  69         KEY(2, 6, KEY_KP8),
  70         KEY(2, 5, KEY_KP9),
  71         KEY(3, 6, KEY_KP0),
  72         KEY(3, 7, KEY_KPASTERISK),
  73         KEY(3, 5, KEY_KPDOT),           /* # key     */
  74         KEY(7, 2, KEY_NUMLOCK),         /* Mute      */
  75         KEY(7, 1, KEY_KPMINUS),         /* Recall    */
  76         KEY(6, 1, KEY_KPPLUS),          /* Redial    */
  77         KEY(7, 6, KEY_KPSLASH),         /* Handsfree */
  78         KEY(6, 0, KEY_ENTER),           /* Video     */
  79
  80         KEY(7, 4, KEY_CAMERA),          /* Photo     */
  81
  82         KEY(0, 4, KEY_F2),              /* Home      */
  83         KEY(1, 4, KEY_F3),              /* Office    */
  84         KEY(2, 4, KEY_F4),              /* Mobile    */
  85         KEY(7, 7, KEY_F5),              /* SMS       */
  86         KEY(7, 5, KEY_F6),              /* Email     */
  87
  88         /* QWERTY portion of keypad */
  89         KEY(3, 4, KEY_Q),
  90         KEY(3, 3, KEY_W),
  91         KEY(3, 2, KEY_E),
  92         KEY(3, 1, KEY_R),
  93         KEY(3, 0, KEY_T),
  94         KEY(4, 7, KEY_Y),
  95         KEY(4, 6, KEY_U),
  96         KEY(4, 5, KEY_I),
  97         KEY(4, 4, KEY_O),
  98         KEY(4, 3, KEY_P),
  99
 100         KEY(4, 2, KEY_A),
 101         KEY(4, 1, KEY_S),
 102         KEY(4, 0, KEY_D),
 103         KEY(5, 7, KEY_F),
 104         KEY(5, 6, KEY_G),
 105         KEY(5, 5, KEY_H),
 106         KEY(5, 4, KEY_J),
 107         KEY(5, 3, KEY_K),
 108         KEY(5, 2, KEY_L),
 109
 110         KEY(5, 1, KEY_Z),
 111         KEY(5, 0, KEY_X),
 112         KEY(6, 7, KEY_C),
 113         KEY(6, 6, KEY_V),
 114         KEY(6, 5, KEY_B),
 115         KEY(6, 4, KEY_N),
 116         KEY(6, 3, KEY_M),
 117         KEY(6, 2, KEY_SPACE),
 118
 119         KEY(7, 0, KEY_LEFTSHIFT),       /* Vol up    */
 120         KEY(7, 3, KEY_LEFTCTRL),        /* Vol down  */
 121 };
 122
 123 void ams_delta_latch1_write(u8 mask, u8 value)
 124 {
 125         ams_delta_latch1_reg &= ~mask;
 126         ams_delta_latch1_reg |= value;
 127         *(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
 128 }
 129
 130 void ams_delta_latch2_write(u16 mask, u16 value)
 131 {
 132         ams_delta_latch2_reg &= ~mask;
 133         ams_delta_latch2_reg |= value;
 134         *(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
 135 }
 136
 137 static void __init ams_delta_init_irq(void)
 138 {
 139         omap1_init_common_hw();
 140         omap1_init_irq();
 141 }
 142
 143 static struct map_desc ams_delta_io_desc[] __initdata = {
 144         /* AMS_DELTA_LATCH1 */
 145         {
 146                 .virtual        = AMS_DELTA_LATCH1_VIRT,
 147                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
 148                 .length         = 0x01000000,
 149                 .type           = MT_DEVICE
 150         },
 151         /* AMS_DELTA_LATCH2 */
 152         {
 153                 .virtual        = AMS_DELTA_LATCH2_VIRT,
 154                 .pfn            = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
 155                 .length         = 0x01000000,
 156                 .type           = MT_DEVICE
 157         },
 158         /* AMS_DELTA_MODEM */
 159         {
 160                 .virtual        = AMS_DELTA_MODEM_VIRT,
 161                 .pfn            = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
 162                 .length         = 0x01000000,
 163                 .type           = MT_DEVICE
 164         }
 165 };
 166
 167 static struct omap_lcd_config ams_delta_lcd_config = {
 168         .ctrl_name      = "internal",
 169 };
 170
 171 static struct omap_usb_config ams_delta_usb_config __initdata = {
 172         .register_host  = 1,
 173         .hmc_mode       = 16,
 174         .pins[0]        = 2,
 175 };
 176
 177 static struct omap_board_config_kernel ams_delta_config[] __initdata = {
 178         { OMAP_TAG_LCD,         &ams_delta_lcd_config },
 179 };
 180
 181 static struct resource ams_delta_nand_resources[] = {
 182         [0] = {
 183                 .start  = OMAP1_MPUIO_BASE,
 184                 .end    = OMAP1_MPUIO_BASE +
 185                                 OMAP_MPUIO_IO_CNTL + sizeof(u32) - 1,
 186                 .flags  = IORESOURCE_MEM,
 187         },
 188 };
 189
 190 static struct platform_device ams_delta_nand_device = {
 191         .name   = "ams-delta-nand",
 192         .id     = -1,
 193         .num_resources  = ARRAY_SIZE(ams_delta_nand_resources),
 194         .resource       = ams_delta_nand_resources,
 195 };
 196
 197 static struct resource ams_delta_kp_resources[] = {
 198         [0] = {
 199                 .start  = INT_KEYBOARD,
 200                 .end    = INT_KEYBOARD,
 201                 .flags  = IORESOURCE_IRQ,
 202         },
 203 };
 204
 205 static const struct matrix_keymap_data ams_delta_keymap_data = {
 206         .keymap         = ams_delta_keymap,
 207         .keymap_size    = ARRAY_SIZE(ams_delta_keymap),
 208 };
 209
 210 static struct omap_kp_platform_data ams_delta_kp_data __initdata = {
 211         .rows           = 8,
 212         .cols           = 8,
 213         .keymap_data    = &ams_delta_keymap_data,
 214         .delay          = 9,
 215 };
 216
 217 static struct platform_device ams_delta_kp_device = {
 218         .name           = "omap-keypad",
 219         .id             = -1,
 220         .dev            = {
 221                 .platform_data = &ams_delta_kp_data,
 222         },
 223         .num_resources  = ARRAY_SIZE(ams_delta_kp_resources),
 224         .resource       = ams_delta_kp_resources,
 225 };
 226
 227 static struct platform_device ams_delta_lcd_device = {
 228         .name   = "lcd_ams_delta",
 229         .id     = -1,
 230 };
 231
 232 static struct platform_device ams_delta_led_device = {
 233         .name   = "ams-delta-led",
 234         .id     = -1
 235 };
 236
 237 static struct i2c_board_info ams_delta_camera_board_info[] = {
 238         {
 239                 I2C_BOARD_INFO("ov6650", 0x60),
 240         },
 241 };
 242
 243 #ifdef CONFIG_LEDS_TRIGGERS
 244 DEFINE_LED_TRIGGER(ams_delta_camera_led_trigger);
 245
 246 static int ams_delta_camera_power(struct device *dev, int power)
 247 {
 248         /*
 249          * turn on camera LED
 250          */
 251         if (power)
 252                 led_trigger_event(ams_delta_camera_led_trigger, LED_FULL);
 253         else
 254                 led_trigger_event(ams_delta_camera_led_trigger, LED_OFF);
 255         return 0;
 256 }
 257 #else
 258 #define ams_delta_camera_power  NULL
 259 #endif
 260
 261 static struct soc_camera_link ams_delta_iclink = {
 262         .bus_id         = 0,    /* OMAP1 SoC camera bus */
 263         .i2c_adapter_id = 1,
 264         .board_info     = &ams_delta_camera_board_info[0],
 265         .module_name    = "ov6650",
 266         .power          = ams_delta_camera_power,
 267 };
 268
 269 static struct platform_device ams_delta_camera_device = {
 270         .name   = "soc-camera-pdrv",
 271         .id     = 0,
 272         .dev    = {
 273                 .platform_data = &ams_delta_iclink,
 274         },
 275 };
 276
 277 static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
 278         .camexclk_khz   = 12000,        /* default 12MHz clock, no extra DPLL */
 279         .lclk_khz_max   = 1334,         /* results in 5fps CIF, 10fps QCIF */
 280 };
 281
 282 static struct platform_device *ams_delta_devices[] __initdata = {
 283         &ams_delta_nand_device,
 284         &ams_delta_kp_device,
 285         &ams_delta_lcd_device,
 286         &ams_delta_led_device,
 287         &ams_delta_camera_device,
 288 };
 289
 290 static void __init ams_delta_init(void)
 291 {
 292         /* mux pins for uarts */
 293         omap_cfg_reg(UART1_TX);
 294         omap_cfg_reg(UART1_RTS);
 295
 296         /* parallel camera interface */
 297         omap_cfg_reg(H19_1610_CAM_EXCLK);
 298         omap_cfg_reg(J15_1610_CAM_LCLK);
 299         omap_cfg_reg(L18_1610_CAM_VS);
 300         omap_cfg_reg(L15_1610_CAM_HS);
 301         omap_cfg_reg(L19_1610_CAM_D0);
 302         omap_cfg_reg(K14_1610_CAM_D1);
 303         omap_cfg_reg(K15_1610_CAM_D2);
 304         omap_cfg_reg(K19_1610_CAM_D3);
 305         omap_cfg_reg(K18_1610_CAM_D4);
 306         omap_cfg_reg(J14_1610_CAM_D5);
 307         omap_cfg_reg(J19_1610_CAM_D6);
 308         omap_cfg_reg(J18_1610_CAM_D7);
 309
 310         iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
 311
 312         omap_board_config = ams_delta_config;
 313         omap_board_config_size = ARRAY_SIZE(ams_delta_config);
 314         omap_serial_init();
 315         omap_register_i2c_bus(1, 100, NULL, 0);
 316
 317         /* Clear latch2 (NAND, LCD, modem enable) */
 318         ams_delta_latch2_write(~0, 0);
 319
 320         omap1_usb_init(&ams_delta_usb_config);
 321         omap1_set_camera_info(&ams_delta_camera_platform_data);
 322 #ifdef CONFIG_LEDS_TRIGGERS
 323         led_trigger_register_simple("ams_delta_camera",
 324                         &ams_delta_camera_led_trigger);
 325 #endif
 326         platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
 327
 328         ams_delta_init_fiq();
 329
 330         omap_writew(omap_readw(ARM_RSTCT1) | 0x0004, ARM_RSTCT1);
 331 }
 332
 333 static struct plat_serial8250_port ams_delta_modem_ports[] = {
 334         {
 335                 .membase        = IOMEM(AMS_DELTA_MODEM_VIRT),
 336                 .mapbase        = AMS_DELTA_MODEM_PHYS,
 337                 .irq            = -EINVAL, /* changed later */
 338                 .flags          = UPF_BOOT_AUTOCONF,
 339                 .irqflags       = IRQF_TRIGGER_RISING,
 340                 .iotype         = UPIO_MEM,
 341                 .regshift       = 1,
 342                 .uartclk        = BASE_BAUD * 16,
 343         },
 344         { },
 345 };
 346
 347 static struct platform_device ams_delta_modem_device = {
 348         .name   = "serial8250",
 349         .id     = PLAT8250_DEV_PLATFORM1,
 350         .dev            = {
 351                 .platform_data = ams_delta_modem_ports,
 352         },
 353 };
 354
 355 static int __init ams_delta_modem_init(void)
 356 {
 357         int err;
 358
 359         if (!machine_is_ams_delta())
 360                 return -ENODEV;
 361
 362         omap_cfg_reg(M14_1510_GPIO2);
 363         ams_delta_modem_ports[0].irq =
 364                         gpio_to_irq(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 365
 366         err = gpio_request(AMS_DELTA_GPIO_PIN_MODEM_IRQ, "modem");
 367         if (err) {
 368                 pr_err("Couldn't request gpio pin for modem\n");
 369                 return err;
 370         }
 371         gpio_direction_input(AMS_DELTA_GPIO_PIN_MODEM_IRQ);
 372
 373         ams_delta_latch2_write(
 374                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC,
 375                 AMS_DELTA_LATCH2_MODEM_NRESET | AMS_DELTA_LATCH2_MODEM_CODEC);
 376
 377         return platform_device_register(&ams_delta_modem_device);
 378 }
 379 arch_initcall(ams_delta_modem_init);
 380
 381 static void __init ams_delta_map_io(void)
 382 {
 383         omap1_map_common_io();
 384 }
 385
 386 MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
 387         /* Maintainer: Jonathan McDowell <noodles@earth.li> */
 388         .boot_params    = 0x10000100,
 389         .map_io         = ams_delta_map_io,
 390         .reserve        = omap_reserve,
 391         .init_irq       = ams_delta_init_irq,
 392         .init_machine   = ams_delta_init,
 393         .timer          = &omap1_timer,
 394 MACHINE_END
 395
 396 EXPORT_SYMBOL(ams_delta_latch1_write);
 397 EXPORT_SYMBOL(ams_delta_latch2_write);